Science News - The Hindu

Life-size T-Rex models are unloaded and maneuvered into position for a dinosaur exhibition in the biosphere hall of Potsdam, northern Germany on Tuesday, March 7, 2006.

Study shows T. rex numbered 2.5 billion

It was among the largest carnivorous dinosaurs, possessing a skull about 5 feet (1.5 meters) long, massive and muscular jaws with a bite force capable of crushing bone

A Brazilian Institute for the Environment and Renewable Natural Resources, or Ibama, agent measures a tree trunk during an operation to combat illegal mining and logging in the municipality of Novo Progresso, Para State, northern Brazil, November 11, 2016.

Only 3% of land areas unblemished by humans: study

Working sequence: The first dose is a priming dose while the second dose given 28 days later is partially priming and partially boosting, and hence its boosting effect is short-lived, says Jacob John.

Can Covaxin booster dose prolong protection?

R. Prasad The booster dose will be given six months after the second dose, the company is to follow up the participants for at least six months

Lively ancestor: Artist's impression of a cynodont, a group that ultimately gave rise to the present-day mammals.

The story of 220-million-year-old rat-like creatures via microfossils

Aswathi Pacha The teeth were studied and compared with previously reported cynodonts

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Ground station: The Aditya-L1 Support Centre, to come up near Nainital, will provide training through regular workshops for guest users.

ARIES facility will host the support centre for Aditya-L1

Shubashree Desikan The centre will expand the visibility of Aditya-L1 in the international arena

Rare adverse effect: Both Johnson & Johnson and AstraZeneca vaccines have witnessed very rare brain blood clot events in a few vaccine recipients.

J&J scientists refute ‘class effect’ to blame for clots in those who got its vaccine

Reuters They say the two vaccines are ‘substantially different’ and have different effects

This August 2017 photo made available by Fermilab shows the Muon g-2 ring at the Fermi National Accelerator Laboratory outside of Chicago.

Another hint of ‘new physics’, this time from Fermilab

Shubashree Desikan Fermilab, which houses the American particle accelerator, has released the first results from its ‘muon g-2’ experiment

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A researcher at Nanyang Technological University's attaching an electrode on the surface of a Venus flytrap plant at a laboratory in Singapore, as scientists develop a high-tech system for communicating with vegetation.

Watch | Scientists develop ‘robo-plants’ to interact with plants

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Only 3% of land areas unblemished by humans: study

Study shows T. rex numbered 2.5 billion

ARIES facility will host the support centre for Aditya-L1

Question Corner: How does temperature determine the sex in some specific reptile and fish embryos?

Can Covaxin booster dose prolong protection?

Can Covaxin booster dose prolong protection?

J&J scientists refute ‘class effect’ to blame for clots in those who got its vaccine

They say the two vaccines are ‘substantially different’ and have different effects

The story of 220-million-year-old rat-like creatures via microfossils

The teeth were studied and compared with previously reported cynodonts

India-France sign agreement for cooperation on Gaganyaan mission

ISRO has asked CNES to help prepare for Gaganyaan missions.

COVID-19 patients with sedentary habits more likely to die, finds study

As a risk factor for serious COVID-19 disease, physical inactivity was surpassed only by advanced age and a history of organ transplant.

Monsoon was stronger 7,000 years ago: study

Due to variations in solar radiation, it started weakening 4,200 to 2,000 years ago, say researchers

NASA delays Mars helicopter flight for tech check

NASA noted the copter is "safe and healthy" and had sent information back to Earth

How do astronauts write in space?

The pencil wasn’t an ideal choice for writing in space because its tip could flake and break off, drifting in microgravity with the potential to harm an astronaut or an equipment

Question Corner: How did ancient marine creatures breathe?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Indus and Ganges river dolphins are two different species

The researchers studied ancient DNA that they got out of skulls and skeletons which were 20 to 30 to even 150 years old

Beast of five teeth: Chilean scientists unearth skunk that walked among dinosaurs

The animal is thought to have lived between 72 and 74 million years ago during the Upper Cretaceous period

U.S.-Russian trio blast off on mission to space station

A Russian-U.S. trio of space travelers launched successfully Friday, heading for the International Space Station.NASA astronaut Mark Vande Hei and

Third of Antarctic ice shelf area at collapse risk due to global warming: Study

They noted that when melted ice accumulates on the surface of ice shelves, it can make them fracture and collapse spectacularly.

All about bats: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Another hint of ‘new physics’, this time from Fermilab

Fermilab, which houses the American particle accelerator, has released the first results from its ‘muon g-2’ experiment

Watch | Scientists develop ‘robo-plants’ to interact with plants

A video on 'robo-plants', a high-tech system for communicating with vegetation.

Bulgarian cave remains reveal surprises about earliest Homo sapiens in Europe

The new study suggests interbreeding was more common than previously known for the first Homo sapiens in Europe.

Know the scientist: Tu Youyou

In 2015, Tu became the first Chinese Nobel laureate in physiology or medicine

Rechargeable batteries for electric vehicles get IIT-Guwahati boost

The research team said the advanced technique developed can precisely estimate the state of charge, one of the most important internal aspects of a battery

Best from science journals: A new state of light

Here are some of the most interesting research papers to have appeared in top science journals last week.

Climate change shrinks marine life richness near equator: study

Having fleets of fish and other swimmers shift rapidly to more temperate waters could devastate the coral ecosystems they leave behind.

Prioritising who gets vaccinated against COVID-19 can save lives: study

The team identified that front-line essential workers should be a vaccination priority along with or shortly after seniors.

Brain waves measured using ear implants for the first time

Researchers expect this finding to help manufacturers further develop smart hearing aids

NASA's Ingenuity helicopter dropped on Mars' surface ahead of flight

It is expected to make its first flight attempt no earlier than April 11, the Jet Propulsion Laboratory tweeted

Coronavirus | COVID-19 patients can be categorised into three groups, say scientists

Phenotypes I and II were associated with 7.30-fold and 2.57-fold increases in hazard of death relative to phenotype III.

IIT Kanpur develops touch-sensitive watch for the visually impaired

Two researchers from IIT Kanpur have developed a touch-sensitive, tactile, haptic watch that can help visually impaired people learn what time it is

Researchers foresee trends in diphtheria incidence

Study maps tox genes, progression of antimicrobial resistance in pathogen

Coronavirus | What is driving the second wave in India?

Variants, imported and homegrown, are increasingly seen but have so far not been linked epidemiologically to the surge

How Asian desert dust enhances Indian summer monsoon

Dust swarms can influence moisture transport, increase precipitation, rainfall

‘India will add four million more cases by May 1’, says Public Health Foundation of India epidemiologist

When the surge in cases is rapid, more persons with severe disease might require critical care at the same time, resulting in a shortage of beds

All about the Large Hadron Collider: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Temperature differences in the respiratory tract influence SARS-CoV-2 replication: study

When the researchers created colder conditions, they found that the virus replicated faster than when infections were carried out at 37 degrees Celsius to mimic the lower lung environment.

Coronavirus | ICMR study provides a new definition for SARS-CoV-2 re-infection

An epidemiological working definition will be more pragmatic and helpful to assess the magnitude of re-infection in most population and resource constrained settings.

Invasive species cause billions in damages each year: study

Early detection, better data and preventative measures could reduce costs considerably

NASA exchanges data of its Mars mission with India, China, UAE & European Space Agency

The purpose of exchanges was to lower the risk of a collision, as their spacecraft are orbiting the red planet, Hong Kong-based South China Morning Post reported

Best from science journals: How to live 1,000 metres below sea level?

Here are some of the most interesting research papers to have appeared in top science journals last week.

New meat-eating dinosaur fossil discovered in Argentina

Llukalkan had a powerful bite, based on the musculature of its jaws, and its teeth could tear flesh from its prey

Watch | Tackling the helium crisis in India

A video on the emerging crisis of obtaining helium in India

Earth safe from asteroid for 100 years: NASA

First detected in 2004, Apophis is now officially off NASA's asteroid “risk list”

Question Corner: How do squids tune colour and brightness of iridescence of their skin?

Readers may send their questions/answers to questioncorner@thehindu.co.in

New species of red algae seen in west, south east Indian coast

As the two species have been found on the west and south east coasts of India, it suggests good prospects for their cultivation which can be put to good use economically.

Will intranasal vaccine give sterilising immunity?

The local mucosal immunity induced will likely reduce infection possibility and might prevent transmission

Is the LHC on the brink of discovering new physics?

The latest announcement from CERN hints at the inadequacy of existing theories of elementary particles

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